jdk8-mips64-public/nashorn: test/examples/getter-setter-micro.js@2093c4a7abf0 (annotated)

test/examples/getter-setter-micro.js@2093c4a7abf0 (annotated)

test/examples/getter-setter-micro.js

Thu, 05 Sep 2019 18:59:46 +0800

author: aoqi
date: Thu, 05 Sep 2019 18:59:46 +0800
changeset 2493: 2093c4a7abf0
parent 1074: 29a4cd3d1f7a
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *   - Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  *
  *   - Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  *   - Neither the name of Oracle nor the names of its
  *     contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /*
  * A micro-benchmark for getters and setters with primitive values,
  * alternating between ints and doubles. Introduction of primitive
  * and optimistic user accessors in JDK-8062401 make this faster by
  * 10x or more by allowing inlining and other optimizations to take place.
  */
 var x = {
     get m() {
         return this._m;
     },
     set m(v) {
         this._m = v;
     },
     get n() {
         return this._n;
     },
     set n(v) {
         this._n = v;
     }
 };
 function bench(v1, v2, result) {
     var start = Date.now();
     x.n = v1;
     for (var i = 0; i < 1e8; i++) {
         x.m = v2;
         if (x.m + x.n !== result) {
             throw "wrong result";
         }
     }
     print("done in", Date.now() - start, "millis");
 }
 for (var i = 0; i < 10; i++) {
     bench(i, 4, 4 + i);
 }
 for (var i = 0; i < 10; i++) {
     bench(i, 4.5, 4.5 + i);
 }
 for (var i = 0; i < 10; i++) {
     bench(i, 5, 5 + i);
 }
 for (var i = 0; i < 10; i++) {
     bench(i, 5.5, 5.5 + i);
 }